A) no B) yes
A) helium B) nitrogen C) argon
A) suspension B) solvent C) solute
A) solute B) solvent C) suspension
A) water B) salt C) alcohol D) oil
A) 100 % radon B) 21 % oxygen C) 78 % nitrogen D) 0.04 % carbon dioxide
A) baking soda, sugar, fructose B) oxygen, carbon dioxide, water vapor C) mud, salt, coffee
A) ionization B) dispersion C) polarization D) dissociation
A) covalent ; ionic B) nonpolar; ionized C) ionic ; polar
A) dispersion B) polarization C) dissociation
A) valence B) ionic C) nonpolar D) polar
A) ionization B) dispersion C) dissociation
A) polarization B) ionization C) dispersion
A) H3O+ B) NH4+ C) OH-
A) electrolyte B) nonelectrolyte
A) neutral B) acid C) base
A) increases B) decreases C) remains the same
A) decreases B) remains the same C) increases
A) hydraulic fluid B) transmission fluid C) gasoline D) antifreeze
A) increases B) decreases C) remains the same
A) heterogeneous B) homogeneous C) endothermic D) exothermic
A) exothermic B) heterogeneous C) homogeneous D) endothermic
A) the boiling point changes B) it absorbs heat when the solute dissolves C) it releases cold when the solute dissolves D) the freezing point changes
A) stirring the solutions B) the color of the solute and solvent C) the surface area of the solute D) the temperature of the solvent
A) add more sugar to the solution B) stir the solution C) cool off the solution D) heat up the solution
A) polar;covalent B) covalent;nonpolar C) ionic; ionic D) nonpolar; polar
A) greenhouse gases are produced B) the heat increases the solubility of gases C) hydrogen escapes the water D) dissolved gasses come out of solution
A) the water in the soda has a high freezing point B) the pressure is suddenly reduced C) the temperature decreases D) the sugar in the soda makes the bubbles
A) boric acid B) carbonic acid C) sulfuric acid D) lactic acid
A) nitric acid B) hydrochloric acid C) phosphoric acid D) bubonic acid
A) sweet B) bitter C) sour
A) it turns red B) it turns black C) it turns yellow D) it turns blue
A) CO32- B) H3O+ C) OH- D) CH4
A) bitter B) sweet C) sour
A) powdery B) slippery C) sticky
A) it turns blue B) it turns white C) it turns red D) it turn pink
A) sodium acetate B) ethylene glycol C) phenolphthalein D) ammonium nitrate
A) oxidation B) base reduction C) neutralization D) combustion
A) rust and salt B) salt and water C) sugar and water D) gas and water |